Question

Which of the following is an example of basic dye
A) Alizarin B) Malachite green C) Indigo D) Orange I

Answer 1

c indigo is the ans

Answer 2

Answer:Indigo

Explanation: Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. Almost any dye, including fiber-reactive dyes, direct dyes, and acid dyes, can be used in a vat dye.Vat dye are used in to dye almost all fibers.The original Vat dye is Indigo obtained from those in the genus Indigofera, which are native to the tropics(Mainly Indian subcontinent). But now synthetically made.